package com.sky.controller.admin;

import com.sky.result.Result;
import com.sky.utils.AliOssUtil;
import io.swagger.annotations.Api;
import io.swagger.annotations.ApiOperation;
import lombok.extern.slf4j.Slf4j;
import net.bytebuddy.dynamic.ClassFileLocator;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.PostMapping;
import org.springframework.web.bind.annotation.PutMapping;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;
import org.springframework.web.multipart.MultipartFile;

import java.io.IOException;
import java.util.UUID;

@RestController
@RequestMapping("/admin/common")
@Api(tags = "通用接口")
@Slf4j//日志
public class CommonController {
    @Autowired
    private AliOssUtil aliOssUtil;
    @PostMapping("/upload")
    @ApiOperation("文件上传")
    public Result<String> upload(MultipartFile file){
       log.info("开始文件上传: originalFilename={}", file != null ? file.getOriginalFilename() : "null");
        try {
            if (file == null || file.isEmpty()) {
                log.error("文件上传失败: 上传文件为空");
                return Result.error("上传文件不能为空");
            }
            
            //原始文件名
            String originalFilename=file.getOriginalFilename();
            //截取原始文件名字的后缀
            String extension=originalFilename.substring(originalFilename.lastIndexOf("."));
            //构造寻得文件名
            String objectName=UUID.randomUUID().toString()+extension;
            log.info("准备上传文件: originalFilename={}, extension={}, objectName={}", originalFilename, extension, objectName);
            
            //文件请求路径
           String filePath= aliOssUtil.upload(file.getBytes(),objectName);
           log.info("文件上传成功: filePath={}", filePath);
           return Result.success(filePath);
        } catch (IOException e) {
          log.error("文件上传失败 - IO异常: ", e);
          return Result.error("文件上传失败: " + e.getMessage());
        } catch (Exception e) {
          log.error("文件上传失败 - 其他异常: ", e);
          return Result.error("文件上传失败: " + e.getMessage());
        }
    }
}
